71 10 | = | ( | 12 5 | u | ) | ÷ | ( | u | − | 12 5 | ) |
| Multiply both sides of the equation by: | ( | u | − | 12 5 | ) |
71 10 | ( | u | − | 12 5 | ) | = | ( | 12 5 | u | ) |
71 10 | u | − | 71 10 | × | 12 5 | = | ( | 12 5 | u | ) |
71 10 | u | − | 71 10 | × | 12 5 | = | 12 5 | u |
71 10 | u | − | 426 25 | = | 12 5 | u |
71 10 | u | − | 12 5 | u | = | 426 25 |
47 10 | u | = | 426 25 |
| u | = | 426 25 | ÷ | 47 10 |
| = | 426 25 | × | 10 47 |
| = | 426 5 | × | 2 47 |
| u | = | 852 235 |
| u | = | 3.625532 |